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Telecom and Datacom Protocol Validation Engineer - OTN/Ethernet

Company: Acacia Communications, now part of Cisco
Location: Maynard
Posted on: August 7, 2022

Job Description:

Acacia Communications Coherent Communications Division provides an excellent opportunity to work on leading edge Coherent/DSP technologies. Acacia has developed 8 generations of Coherent transceivers ranging in bandwidth from 100Gbps to 1.2Gbps, IP blocks ranging from 25/50/100G rate SERDES with PAM4 and NRZ signaling, Mapping IP, Layer 1 Encryption IP and Framing IP, TX/RX DSP technology to compensate Single Mode Fiber distortions and High-Speed ADC/DAC Technology with sampling rates above 130Gb/s.
In this position you will work closely with System Engineering and ASIC Design teams in validating Acacia Coherent Framing, Encryption and Mapping IP blocks. You will be working on leading-edge high-speed technology (ASIC/SERDES/DSP/ADC/DAC) which will provide you a once in a lifetime work experience. If you have required skills and a passion for working with the best team in the industry on complex systems and high-quality best-in-class technology, then this position is calling your name.

Key Responsibilities - In this position, you will be validating Optical Transport Network (OTN) layer over WDM network and Ethernet layer over DWDM network on Acacia products. Your in-depth knowledge of the effects of transmission path impairments and standards defined consequent actions will facilitate evaluating of Acacia product response to such impairments. - You will design and develop test plans and test automation software using C# programming language. - You will execute and guide junior team members to execute OTN/Ethernet protocol tests on new Acacia product software releases. - You will document detailed test results and log non-conformances using defect tracking tools such as Bugzilla or Jira. Required Skills & Experience - MS or BS in Electrical Engineering or Computer Science/Engineering. - At least 5 years of experience in verifying OTN and/or Ethernet protocol-based functionality in post ASIC development, ASIC DV, SQA, SVT, Systems Test or similar environment. - Detailed Knowledge of IEEE 802.3 (Ethernet) , and ITU-T (OTN) G.709 and G.798 Standardso 100/200/400/800GE Ethernet - Understanding of Datacom Electrical NRZ and PAM4 Interfaces; CAUI and GAUI. - Understanding of Ethernet Layers; PMD/PMA, PCS and Layer 2 MAC. - Background on Next Generation Ethernet serial interconnects 802.3ck (106Gb/s PAM4)o OTN (G.709). - Knowledge in ITU-T G.709.3/Y.1331.3, G.798, G.812, ITU-8251 and other relevant International Telecommunications Union standards. - Understanding of Telecom Electrical Interfaces NRZ and PAM4; OTL and FOIC.o Knowledge in Layer 1 Encryption is preferred. - Federal Information Processing Standards (FIPS) Publication 140-2, Security Requirements for Cryptographic Modules, U.S. DoC/NIST, May 25, 2001, doi:10.6028/NIST.FIPS.140-2 - NIST Special Publication 800-38A, Recommendation for Block Cipher Modes of Operation: - Methods and Techniques, 2001 Edition, doi:10.6028/NIST.SP.800-38A - NIST Special Publication 800-38D, Recommendation for Block Cipher Modes of Operation: - Galois/Counter Mode (GCM) and GMAC, Nov. 2007, doi:10.6028/NIST.SP.800-38D
- Understanding of Ethernet and OTN (G.709) Performance Monitoring, Alarm Generation, Fault Detection and Generating Consequential actions. - Candidate must be self-motivated, have good communication skills, be able to manage their time well, and be able to manage multiple activities simultaneously.

Keywords: Acacia Communications, now part of Cisco, Boston , Telecom and Datacom Protocol Validation Engineer - OTN/Ethernet, IT / Software / Systems , Maynard, Massachusetts

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